#include <stdio.h>
int main()
{
 int a[5][5];
 int(*p)[4];//int (*)[5] 
 p = a;  //int(*)[4] = int(*)[5]
 printf( "%p,%d\n", &p[4][2] - &a[4][2], &p[4][2] - &a[4][2]);
 return 0;
}

//p[4][2] == *(*(p+4)+2)  
